CN101525945B - Installation and positioning method for steel casting spatial position - Google Patents
Installation and positioning method for steel casting spatial position Download PDFInfo
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- CN101525945B CN101525945B CN2009100808968A CN200910080896A CN101525945B CN 101525945 B CN101525945 B CN 101525945B CN 2009100808968 A CN2009100808968 A CN 2009100808968A CN 200910080896 A CN200910080896 A CN 200910080896A CN 101525945 B CN101525945 B CN 101525945B
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Abstract
The invention discloses an installation and positioning method for steel casting space and pertains to the field of space location positioning technology. The method includes: carrying out the coordinate conversion so as to make the control coordinate of the steel casting to be positioned and that of the installation site consistent; decomposing the three-dimensional coordinate of the steel casting in the air into two-dimensional plane coordinate and elevated coordinate and adjusting the installation gesture of the steel casting according to the two-dimensional plane coordinate and elevated coordinate; hoisting the adjusted steel casting to the installation position in the air according to the installation gesture by a hoisting tool for direct installation. The installation method converts the complex spatial three-dimensional positioning to the plane two-dimensional positioning, so that the maneuverability of installation and positioning is more convenient, and rapid installation can be also achieved after hoisting the steel element under the adjusted plane gesture, thus greatly improving the efficiency of installation and positioning of the steel casting in the air.
Description
Technical field
The present invention relates to the space orientation technique field, relate in particular to a kind of installation and locating method of determining large complicated steel casting spatial position.
Background technology
The form that present domestic latticed shell structure is used steel-casting is more, steel-casting is as the main stressed node of latticed shell structure, its body is a space three-dimensional structure, need the position of steel-casting in the space positioned in installation process, the steel-casting of measurement and positioning solid generally adopts X, Y, Z three-dimensional coordinate point to locate.And in the high latticed shell structure building of some modern designs, complex structure, installation difficulty, it is big that Chang Daliang uses large complicated steel-casting, these steel-castings generally to have a build, excess weight, the characteristics of multiple-limb.Cause its displacement difficulty, the heaviest steel-casting will use large-scale crane just can make its upset, causes the inconvenience of job site operation, causes they skyborne location also inconvenience, and then has influenced the progress of construction and installation.
The method that prior art is located steel-casting aloft is by each the port three-dimensional coordinate control to steel-casting, realizes controlling the skyborne position of steel-casting.Generally be to use total powerstation that each port of steel-casting is carried out measurement of coordinates, for this reason, to record the three-dimensional coordinate of the whole ports of steel-casting earlier, control steel-casting by three-dimensional coordinate again, measure steel-casting port coordinate point and can adopt mode shown in Figure 1, have following shortcoming at least but the inventor finds this measuring method:
(1) steel-casting must be placed on the ward, and the job site site condition is had relatively high expectations;
(2) the steel-casting bodily form is big, and it is slower to be adjusted to control coordinate position speed by three-dimensional coordinate control, and efficient is low;
(3) after steel-casting ground was adjusted to the installation site, lifting must check and adjust during to the high-altitude, and three-dimensional coordinate all needs to adjust, and caused efficiency of construction low.
Summary of the invention
Based on above-mentioned existing in prior technology problem, embodiment of the present invention provides a kind of localization method of large complicated steel casting spatial position, its objective is steel-casting at large and complex structure, can carry out space orientation fast, easily, realize the accurately skyborne position of control steel-casting.
The objective of the invention is to be achieved through the following technical solutions:
Embodiment of the present invention provides a kind of installation and locating method of steel casting spatial position, comprising:
Carry out Coordinate Conversion, make control coordinate and erecting bed control coordinate on the steel-casting of being located unified;
The skyborne three-dimensional coordinate of steel-casting is decomposed into two dimensional surface coordinate and absolute altitude coordinate, and the attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate;
By lifting device the steel-casting of adjusting is directly installed to aerial installation site by the attitude lifting of installment state.
The described Coordinate Conversion of carrying out specifically comprises control coordinate and the unification of erecting bed control coordinate on the steel-casting of being located:
The city of steel-casting is built coordinate transformation to building coordinate, make the city of steel-casting build coordinate and control coordinate and the erecting bed control coordinate unification of building coordinate unification with the control point of definite steel-casting.
Describedly the skyborne three-dimensional coordinate of steel-casting is decomposed into the two dimensional surface coordinate and the absolute altitude coordinate specifically comprises:
With the skyborne three-dimensional coordinate X of steel-casting, Y, Z are decomposed into two dimensional surface coordinate X, Y, and at each two dimensional surface coordinate X that determines, it highly is Z for the last mark of Y.
The described attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate specifically comprises:
According to the two dimensional surface coordinate of the steel-casting that obtains after decomposing, determine to place the bracing frame of this steel-casting, steel-casting is arranged on the bracing frame;
The Height Adjustment of each feet of bracing frame to consistent with this absolute altitude coordinate on the steel-casting, is finished the attitude adjustment to the steel-casting installment state.
The described steel-casting of adjusting directly the installation specifically to aerial installation site by the attitude lifting of installment state by lifting device comprises:
By lifting device with the steel-casting adjusted by the attitude lifting of installment state to aerial installed position, according to the absolute altitude coordinate of each mounting points of steel-casting that obtains after decomposing, mounting points and other steel member of installation steel-casting connected;
Make by welding that steel-casting and other steel member that docks are fixedly connected finishes installation.
Described method also comprises:
Before the steel-casting of adjusting directly being installed to aerial installation site by the attitude lifting of installment state by lifting device, after lifting device hangs ground with steel-casting, each absolute altitude coordinate according to the two dimensional surface coordinate of the steel-casting that draws after decomposing is aloft adjusted for the first time, it is consistent with the attitude of installment state to make steel-casting lift skyborne attitude after first the adjustment, carries out the follow-up lifting installation that puts in place again.
The technical scheme that is provided by the invention described above embodiment as can be seen, resolve into the mode of two dimensional surface coordinate and absolute altitude coordinate in the embodiment of the present invention by three-dimensional coordinate with steel-casting, two dimensional surface coordinate after utilize decomposing and absolute altitude coordinate first with steel-casting aloft the attitude of installment state adjust,, steel-casting is lifted aerial installed position directly install by adjusting attitude by lifting device.This mounting method is converted into the planar location with the space three-dimensional location of complexity, make the operability of installing and locating become more convenient, and can be under the situation of adjusting the plane attitude, the steel member is lifted the back that puts in place realize Fast Installation, improved the steel-casting efficient of location and installation aloft greatly.
Description of drawings
Fig. 1 is the installation and locating method flow chart of the embodiment of the invention;
Fig. 2 is the structural representation of steel-casting of the installation of the embodiment of the invention;
Fig. 3 is the schematic flow sheet of the decomposition three-dimensional coordinate of the embodiment of the invention;
The support moulding bed that Fig. 4 provides for the embodiment of the invention raises the schematic diagram of block cast steel part attitude.
The specific embodiment
Embodiment of the present invention provides a kind of installation and locating method of steel casting spatial position, be used for steel-casting is positioned installation aloft, be particularly useful for that weight is big, the space orientation of baroque steel-casting installs, this method comprises: carry out Coordinate Conversion, make control coordinate on the steel-casting of being located with unified with erecting bed control coordinate; The three-dimensional coordinate of steel-casting in the space is decomposed into two dimensional surface coordinate and absolute altitude coordinate, and the attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate; By lifting device the steel-casting of adjusting is directly installed to aerial installation site by the attitude lifting of installment state.This method locate mode is simple, after utilizing the steel-casting three-dimensional coordinate to decompose, ground obtains two dimensional surface coordinate and absolute altitude coordinate, adjust the attitude of steel-casting installment state, directly can carry out Fast Installation after the lifting by lifting device, reduce sterically defined complexity, improved installation effectiveness.
For ease of the understanding to embodiment of the present invention, the invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment one
Present embodiment provides a kind of installation and locating method of steel casting spatial position, is used for the location and installation of steel-casting in the locus, and as shown in Figure 1, this method specifically comprises:
Step S1 carries out Coordinate Conversion, makes control coordinate and erecting bed control coordinate on the steel-casting of being located unified;
Step S2 is decomposed into two dimensional surface coordinate and absolute altitude coordinate with the skyborne three-dimensional coordinate of steel-casting;
Step S3, and the attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate;
Step S4 directly installs the steel-casting of adjusting to aerial installation site by the attitude lifting of installment state by lifting device.
In the said method, carry out Coordinate Conversion, the unified treatment step of control coordinate on the steel-casting of being located and erecting bed control coordinate specifically comprised:
The city of steel-casting is built coordinate transformation to building coordinate, make the city of steel-casting build coordinate and control coordinate and the erecting bed control coordinate unification of building coordinate unification to determine the steel-casting control point.
The treatment step that the three-dimensional coordinate of steel-casting in the space is decomposed into two dimensional surface coordinate and absolute altitude coordinate specifically comprises:
With the three-dimensional coordinate X of steel-casting in the space, Y, Z are decomposed into two dimensional surface coordinate X, Y, and at each two dimensional surface coordinate X that determines, it highly is Z for the last mark of Y.
The concrete treatment step of the attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate is: according to the two dimensional surface coordinate of the steel-casting that obtains after decomposing, determine to place the bracing frame of this steel-casting, steel-casting is arranged on the bracing frame;
This absolute altitude coordinate is consistent on height by adjusting each feet of bracing frame and the steel-casting, finishes the adjustment to the attitude of steel-casting installment state.
In the said method, by lifting device the steel-casting adjusted is directly installed specifically to aerial installation site by the attitude lifting of installment state and to be comprised:
By lifting device with the steel-casting adjusted by the attitude lifting of installment state to aerial installed position, according to the absolute altitude coordinate of the steel-casting mounting points that obtains after decomposing, the mounting points of adjusting the steel-casting of installing connects with other steel member of corresponding installation;
Finish installation after making steel-casting and other steel member is fixedlyed connected by welding.
In said method, before the steel-casting of adjusting directly being installed to aerial installation site by the attitude lifting of installment state by lifting device, after the steel-casting lifting device hangs ground, can aloft adjust for the first time earlier by each absolute altitude coordinate of the two dimensional surface coordinate that decomposes the back steel-casting, make steel-casting lifting consistent with the attitude of installment state, carry out the follow-up lifting installation that puts in place again to aerial attitude.
Below in conjunction with the signal of Fig. 2-4, to above-mentioned installation and locating method in practice should be as specifying.
With the special-shaped steel-casting shown in the installation drawing 2 is example, carry out the locus installing and locating of this steel-casting, tie point O (X on each leg port of steel-casting among Fig. 2, Y, Z) be the control point, and be control line 1 from the continuity of control point O on each leg port, when this steel-casting is installed, can be undertaken by following step:
Build coordinate by the city that measures this steel-casting 3, and the city is built coordinate transformation both are united, even the control coordinate at steel-casting control point and field control coordinate are unified mutually for the building coordinate;
As shown in Figure 3, the three-dimensional coordinate with steel-casting 3 is decomposed into two dimensional surface control coordinate X, Y and absolute altitude coordinate Z;
Calculate steel-casting support moulding bed bed-plate dimension according to construction drawing and steel-casting coordinate diagram, make and support moulding bed bottom surface steel plate 1, and according on the steel-casting that obtains after decomposing as plane control coordinate X, the Y of each working node of the strong point, the support column 2 that supports each working node is arranged on the steel plate of support moulding bed bottom surface, and make identically with the absolute altitude coordinate Z of the relevant work node of the height of the corresponding support column 2 of each working node and this steel-casting 3, promptly obtain a fixedly support moulding bed of steel-casting 3; These step specific purposes provide a support moulding bed for the subsequent fixed steel-casting, because of steel-casting supporting leg orientation different, so before measuring, earlier on plate platform, support column is established good position, to locate the support column that absolute altitude makes according to this then and be welded on the plate platform, be convenient to follow-up on the ground with the fixing steel-casting of aerial installation attitude;
Steel-casting is lifted on the support moulding bed, make each working node of steel-casting corresponding one by one with each support column, realized utilizing the two dimensional surface control coordinate and the absolute altitude coordinate that obtain after decomposing that steel-casting is located on the support moulding bed, promptly utilized and support the attitude that moulding bed can be adjusted to steel-casting aerial installment state;
By the attitude of adjusting steel-casting is lifted aerial installation place and install, concrete installing and locating flow process is as follows: first revisal setting → high-altitude observing and controlling → repetition measurement is proofreaied and correct, wherein:
1. first revisal setting
Before the location, high-altitude, earlier steel-casting is carried out the coarse adjustment of Z absolute altitude shape on the ground by tower crane. after steel-casting hung about the 100mm of ground, each control point, semi-girder cross section relative relief that will calculate was again adjusted to corresponding height, finished steel-casting location coarse adjustment;
2. high-altitude observing and controlling
Measuring the main method of operating of control is that hyperspace is converted into two dimensional surface control, and the most complicated space three-dimensional location is converted into two dimensional surface control coordinate and positions, thereby realizes the operability of measurement and positioning;
The steel-casting that lifting is put in place is adjusted to the tie point of the steel-casting that is connected on every side and is matched, and can lift the steel-casting that puts in place docks steel-casting with other welded and installed.
In sum, in the embodiment of the invention by three-dimensional coordinate being decomposed into the mode of two dimensional surface coordinate and absolute altitude coordinate, before being convenient to steel-casting is installed aloft, adjust the attitude of this steel-casting installment state earlier, solved the inefficient problem of large complicated steel-casting measurement and positioning, improved the efficient of steel-casting, solved the problem of job site site condition restriction in the ground first revisal, saved ground and adjusted the time that steel-casting is installed attitude, made and measure construction facility more.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (6)
1. the installation and locating method of a steel casting spatial position is characterized in that, comprising:
Carry out Coordinate Conversion, make control coordinate and erecting bed control coordinate on the steel-casting of being located unified;
The skyborne three-dimensional coordinate of steel-casting is decomposed into two dimensional surface coordinate and absolute altitude coordinate, and the attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate;
By lifting device the steel-casting of adjusting is directly installed to aerial installation site by the attitude lifting of installment state.
2. the installation and locating method of steel casting spatial position according to claim 1 is characterized in that, the described Coordinate Conversion of carrying out specifically comprises control coordinate and the unification of erecting bed control coordinate on the steel-casting of being located:
The city of steel-casting is built coordinate transformation to building coordinate, make the city of steel-casting build coordinate and control coordinate and the erecting bed control coordinate unification of building coordinate unification with the control point of definite steel-casting.
3. the installation and locating method of steel casting spatial position according to claim 1 is characterized in that, describedly the skyborne three-dimensional coordinate of steel-casting is decomposed into the two dimensional surface coordinate and the absolute altitude coordinate specifically comprises:
With the skyborne three-dimensional coordinate X of steel-casting, Y, Z are decomposed into two dimensional surface coordinate X, Y, and at each two dimensional surface coordinate X that determines, it highly is Z for the last mark of Y.
4. the installation and locating method of steel casting spatial position according to claim 1 is characterized in that, the described attitude of adjusting the steel-casting installment state by the two dimensional surface coordinate that obtains and absolute altitude coordinate specifically comprises:
According on the steel-casting that obtains after decomposing as plane control coordinate X, the Y of each working node of the strong point, determine to place the support moulding bed of this steel-casting, the support column that supports each working node is arranged on the steel plate of support moulding bed bottom surface, and make identical with the absolute altitude coordinate Z of the relevant work node of the height of the corresponding support column 2 of each working node and this steel-casting, steel-casting is lifted on the support moulding bed, make each working node of steel-casting corresponding one by one, finish attitude adjustment the steel-casting installment state with each support column.
5. the installation and locating method of steel casting spatial position according to claim 1 is characterized in that, the described steel-casting of adjusting directly the installation specifically to aerial installation site by the attitude lifting of installment state by lifting device comprises:
By lifting device with the steel-casting adjusted by the attitude lifting of installment state to aerial installed position, according to the absolute altitude coordinate of each mounting points of steel-casting that obtains after decomposing, mounting points and other steel member of installation steel-casting connected;
Make by welding that steel-casting and other steel member that docks are fixedly connected finishes installation.
6. the installation and locating method of steel casting spatial position according to claim 1 or 5 is characterized in that described method also comprises:
Before the steel-casting of adjusting directly being installed to aerial installation site by the attitude lifting of installment state by lifting device, after lifting device hangs ground with steel-casting, each absolute altitude coordinate according to the two dimensional surface coordinate of the steel-casting that draws after decomposing is aloft adjusted for the first time, it is consistent with the attitude of installment state to make steel-casting lift skyborne attitude after first the adjustment, carries out the follow-up lifting installation that puts in place again.
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| CN2009100808968A CN101525945B (en) | 2009-03-27 | 2009-03-27 | Installation and positioning method for steel casting spatial position |
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| CN2009100808968A CN101525945B (en) | 2009-03-27 | 2009-03-27 | Installation and positioning method for steel casting spatial position |
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| CN103352574A (en) * | 2013-04-25 | 2013-10-16 | 江苏沪宁钢机股份有限公司 | Aloft installing and positioning method for steel casting |
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| CN106223623B (en) * | 2015-06-02 | 2018-07-13 | 五冶集团上海有限公司 | Steel construction box arched roof truss installation method |
| CN106960110A (en) * | 2017-04-12 | 2017-07-18 | 中国二十二冶集团有限公司 | The connection method of steel-casting comprising multinode |
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| CN113700311B (en) * | 2021-09-28 | 2022-10-11 | 中能建西北城市建设有限公司 | Construction method for high-altitude positioning of steel casting of steel structure building |
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Inventor after: Wang Shengli Inventor after: Ying Guoxiong Inventor after: Huang Yuanfeng Inventor after: Yu Yunbo Inventor after: Chen Longzhang Inventor after: Tan Shenzhou Inventor after: Meng Xiangchong Inventor after: Zeng Pingyu Inventor before: Wang Shengli Inventor before: Ying Guoxiong Inventor before: Huang Yuanfeng Inventor before: Yu Yunbo Inventor before: Chen Longzhang Inventor before: Tan Shenzhou Inventor before: Meng Xiangchong Inventor before: Zeng Pingyu |
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Address after: 3801, 38 / F, Zhongjian science and engineering building, No. 3331, Weilan Coast Community Center Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: China Construction Engineering Group Co.,Ltd. Address before: 518040 Guangdong city of Shenzhen province Futian District Tairan nine road building 3 floor, block E, Chamaecyparis pisifera Patentee before: China Construction Steel Structure Corp.,Ltd. |
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Effective date of registration: 20221109 Address after: Room 1908, Chengtou Xin Times Building, No. 2009, Pingshan Avenue, Liulian Community, Pingshan Street, Pingshan District, Shenzhen 518000 Patentee after: China Construction Steel Engineering Co.,Ltd. Address before: 3801, 38 / F, China Construction Science and engineering building, No. 3331, Weilan Coast Community Central Road, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: China Construction Engineering Group Co.,Ltd. |